Note 10 - Summary of Financial Income and Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Interest on bank deposits	$ 330	$ 188	$ 36
Foreign currency transactions gains, net			547
Financial income	$ 330	$ 188	583
Amortization of deferred charges related to loan		$ 187	200
Revaluation of warrants			1,508
Bank charges	$ 95	$ 109	$ 149
Foreign currency transactions loss, net	1,711	1,591
Other	47	15
Financial expenses	(1,853)	(1,902)	$ (1,857)
Total	$ (1,523)	$ (1,714)	$ (1,274)